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Patent # Description
US-9,954,445 Current converter with current control on the primary winding side and compensation of the propagation delay
A control circuit controls a switch of a switching current converter receiving an input quantity, with a transformer having a primary winding and a sensor...
US-9,954,444 Pfm-pwm control for power regulators
A method includes generating output power based on a switching signal, comparing the output power to a target power, increasing the output power using a pulse...
US-9,954,443 High efficiency AC/DC power supply
A power supply for converting AC to a regulated DC output current, utilizing two serial switched mode power supplies, the first providing an intermediate DC...
US-9,954,442 Comparator circuit, power supply control IC, and switching power supply device
A comparator circuit includes a first comparator, a second comparator, and a logic portion. The logic portion adjust a variable reference voltage input to the...
US-9,954,441 Method and apparatus of a multi-phase convertor topology
A slim and cost effective power module solution derived from the multiple-phase buck converter technology that addresses the problems of inductor thickness and...
US-9,954,440 Controller for DC/DC power converters
According to at least one aspect, a circuit for controlling a power converter including an inductor having a terminal coupled to a supply voltage by a switch is...
US-9,954,439 Control circuit of switching power-supply device and switching power-supply device
A control circuit of a switching power-supply device that converts a first DC voltage supplied from an input power source to a second DC voltage, includes: a...
US-9,954,438 Electronic controller with automatic adjustment to unknown input and load voltages
Methods, devices, techniques, and circuits are disclosed for current control of a buck converter. In one example, a device is configured to receive a selected...
US-9,954,437 Charge pump
One charge pump includes at least one delay element, a number of inverters, and a flip flop coupled in series, with an output of one inverter coupled in a...
US-9,954,436 Single .mu.C-buckboost converter with multiple regulated supply outputs
The detailed description described embodiments of highly efficient power management systems configurable to simultaneously generate various output voltage...
US-9,954,435 Calibration of a load control device for a light-emitting diode light source
A load regulation device for controlling the amount of power delivered to an electrical load may be able to calibrate the magnitude of an output voltage of the...
US-9,954,434 Controller for multiphase boost converters
A controller for a multiphase converter comprises a first stage controller for producing a first gate drive signal to turn on a first power transistor of a...
US-9,954,433 Power supply and drive device for a permanent magnet electric motor
Power supply and drive device for a permanent magnet motor including a full-wave voltage rectifier stage, which can be supplied with an alternating current...
US-9,954,432 Power supply apparatus with soft-start and protection
A power supply apparatus with soft-start function is suitable to a load including a voltage stabilizing unit and a load unit coupled in parallel. The power...
US-9,954,431 Starting circuit of power management chip, and power management chip
A starting circuit (10) of a power management chip, comprising: a starting capacitor (C3) which is used for connecting a power supply via an external resistor...
US-9,954,430 Overvoltage and surge protection in a power over ethernet device
In some embodiments, powered devices, circuits, and methods are disclosed that may include biasing a hot swap switch to couple a capacitor of a DC-DC converter...
US-9,954,429 Converter and voltage clamp circuit therein
A converter includes a first bridge arm, a second bridge arm, two switch units and a voltage clamp circuit. The first bridge arm includes a first switch unit...
US-9,954,428 Determination of phase offsets in a supply system having multiple switching converters
A controller, and related method, to control switching elements of a plurality of voltage converters of a power system. The controller receives a signal...
US-9,954,427 Converter control using reduced link capacitor
A controller selects a first switch vector based on a current, voltage, or power of a multi-phase load or power source. The first switch vector identifies a...
US-9,954,426 Motor driving device having PWM converter
A motor driving device includes, a PWM converter that performs power conversion between AC power and DC power in a DC link, an inverter that converts the DC...
US-9,954,425 Linear vibrating motor
A linear vibrating motor is provided in the present disclosure. The linear vibrating motor includes a shell, a vibrating module, a coil module and an elastic...
US-9,954,424 Wide-frequency-band large displacement angle shaker
Provided is a broadband and large displacement angular vibrator, comprising an outer housing, a vibration table, a main spindle, a moving coil assembly, a...
US-9,954,423 Method of manufacturing rotor
A method of manufacturing a rotor according to the present invention includes: a process of stacking a plurality of electromagnetic steel plates on a jig 30 to...
US-9,954,422 Integrated gate driver for motor control
An integrated gate driver for motor control includes a first diode coupled to an upper rail and providing a voltage on a first connector and a power amplifier...
US-9,954,421 Electrical machine, in particular electric motor for a motor vehicle, and gearbox actuator
An electrical machine is particularly suited as an electric motor of a motor vehicle. The machine has a rotor mounted rotatably by way of a rotor shaft and a...
US-9,954,420 Systems and methods for direct winding cooling of electric machines
A system and method for cooling electric machines using direct winding heat exchangers (DWHX) is disclosed. The system can comprise a plurality of DWHXs...
US-9,954,419 Rotating electrical machine
A mist is generated by scooping up cooling oil using a lower end portion of a non-load side end plate. Air containing this mist is circulated by a centrifugal...
US-9,954,418 Power tool
A power tool includes a brushless motor having a stator and a rotor, which includes a rotary shaft extending in a front-rear direction of the power tool. The...
US-9,954,417 Brushless DC motor power tool with combined PCB design
A power tool with a combined printed circuit board (PCB) that reduces internal wiring of the power tool and provides a large amount of air flow to internal...
US-9,954,416 Actuator, stator, motor, rotational-to-linear motion conversion mechanism, and linear actuator
An actuator, a stator, a motor, a rotational-to-linear motion conversion mechanism, and a linear actuator are provided. The motor, the actuator, and the linear...
US-9,954,415 Rotor for brushless motor
A permanent magnet of a rotor core of a rotor includes a first recess and a second recess, which are formed in an outer wall to correct a dynamic balance of the...
US-9,954,414 Subsea compressor or pump with hermetically sealed electric motor and with magnetic coupling
A submersible fluid system for operating submerged in a body of water includes a fluid-end with a fluid rotor disposed in a fluid-end housing. An electric...
US-9,954,413 Electric motor, air conditioner, and electric apparatus
A power-supply-lead retaining part includes a pair of legs extending toward a bearing through hole, a pair of first locking portions provided on the pair of...
US-9,954,412 Electric motor, air conditioner, and electric apparatus
A stator includes: a sensor substrate attached to one end of a stator core in an axial direction of the stator core, the sensor substrate being provided with a...
US-9,954,411 Actuating drive having an electrical plug-in connection
An actuating drive contains a housing which has a first housing part and a second housing part. The two housing parts each have an edge, each edge having an end...
US-9,954,410 Motor
The motor comprises a rotary unit, a stationary unit disposed around the rotary unit, and a bearing mechanism. The rotary unit comprises a plurality of magnets,...
US-9,954,409 Power supply device
A power supply is provided. The power supply device includes a power module and a capacitor. The power module includes inverting circuitry and is configured to...
US-9,954,408 Motor stator with improved connection member
A connection member for supplying a stator winding with a current is constituted by covering a bus bar with a insulating resin. The bus bar is formed in an...
US-9,954,407 Tooth for an electric motor or generator
A stator or rotor for an electric motor or generator comprising a plurality of teeth for receiving coil windings, wherein each tooth has an injection molded...
US-9,954,406 Motor having figure 8-shaped linked coils and method for manufacturing the same
In a motor, the number of slots 6N divided by the number of pole pairs P (2N>P) of a rotor is an irreducible fraction, when a quotient obtained by dividing...
US-9,954,405 Electromagnetic system with magnetically coupled rotors
A magnetic rotor arrangement is provided, having a primary rotor including an array of magnets arranged to provide alternating polarity around the outside of...
US-9,954,404 Permanently magnetically excited electric machine
An electric machine includes a stator having 48 grooves and 48 tooth coils, and a rotor interacting with the stator. The rotor has eight magnetic poles along an...
US-9,954,403 Rotor yoke
A rotor yoke is rotatable about an axis, is adapted for a plurality of permanent magnets to be mounted therein, and includes a central section, a peripheral...
US-9,954,402 Reducing corruption of communication in a wireless power transmission system
An embodiment of the invention provides a method for reducing data corruption in a wireless power transmission system. Power is transmitted from a primary coil...
US-9,954,400 Wireless power receiver with programmable power path
A synchronous rectifier using only n-channel devices in which the low-side switches are effectively cross-coupled using low-side comparators and the high-side...
US-9,954,399 Reverse link signaling via receive antenna impedance modulation
Exemplary embodiments are directed to wireless power transfer including generating an electromagnetic field at a resonant frequency of a transmit antenna to...
US-9,954,398 Suppression of audible harmonics in wireless power receivers
A wireless power enabled apparatus includes a wireless power receiver. The wireless power receiver includes a receive coil, a rectifier, a regulator, and a...
US-9,954,397 Feed unit including power transmission coil and feed system
The present disclosure includes a feed unit and a feed system. The feed unit includes a power transmission coil and a coupling coefficient calculation section....
US-9,954,396 Electronic device including non-contact charging module
This communication apparatus makes it possible to have a non-contact charging module and a sheet antenna coexist, even in the case where there the non-contact...
US-9,954,395 Portable terminal having a wireless charger coil and an antenna element on the same plane
A portable terminal is provided. The portable terminal includes a shielding member attached to an inner surface of an external part, a shielding wall formed on...
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